42 lines
1.1 KiB
Rust
42 lines
1.1 KiB
Rust
//! Error types
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use num_derive::FromPrimitive;
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use num_traits::FromPrimitive;
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use solana_program::program_error::PrintProgramError;
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use solana_program::{decode_error::DecodeError, program_error::ProgramError};
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use thiserror::Error;
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/// Errors that may be returned by the Themis program.
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#[derive(Clone, Debug, Eq, Error, FromPrimitive, PartialEq)]
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pub enum ThemisError {
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/// Invalid instruction
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#[error("Invalid instruction")]
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InvalidInstruction,
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/// Account already in use
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#[error("Account in use")]
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AccountInUse,
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}
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impl From<ThemisError> for ProgramError {
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fn from(e: ThemisError) -> Self {
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ProgramError::Custom(e as u32)
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}
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}
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impl<T> DecodeError<T> for ThemisError {
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fn type_of() -> &'static str {
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"ThemisError"
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}
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}
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impl PrintProgramError for ThemisError {
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fn print<E>(&self)
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where
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E: 'static + std::error::Error + DecodeError<E> + PrintProgramError + FromPrimitive,
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{
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match self {
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ThemisError::InvalidInstruction => println!("Error: Invalid instruction"),
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ThemisError::AccountInUse => println!("Error: Account in use"),
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}
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}
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}
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